Home / 198,734.54-274,239.54-108,088.65

Finding the Fourth Proportional to 198,734.54, 274,239.54 and 108,088.65

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Solution

The fourth proportional to 198,734.54, 274,239.54 and 108,088.65 is: 149,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,734.54 : 274,239.54 = 108,088.65 : x
  2. Step 2: Convert to fraction form
    198,734.54/274,239.54 = 108,088.65/x
  3. Step 3: Cross multiply
    198,734.54x = 274,239.54 × 108,088.65
  4. Step 4: Simplify right side
    198,734.54x = 29,642,181,655.22
  5. Step 5: Solve for x
    x = 29,642,181,655.22/198,734.54
  6. Step 6: Final answer
    x = 149,154.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.